How does it work?

Code your algorithms in a browser based IDE, using template strategies and free tick data.
Backtest your strategies using our free, open data sources. Code in multiple languages, and access our cluster of hundreds of computers to crunch terabytes of free US Equities and FOREX tick data.
QuantConnect is the next revolution in quant trading, where cloud computing meets open data.

Unparalleled Speed
With QuantConnect, your strategy is backtesting on hundreds of servers in parallel, finishing in about 30-seconds. This gives you institutional power from your desktop PC. You can iterate on your ideas faster than you've ever done before.

Unlimited Financial Data
QuantConnect gives you free access to high resolution data for global financial markets to backtest your algorithm in our simulator. We currently have US Equities and FOREX and are adding new data libraries constantly, the sky is the limit.

Beautiful Charting
The right visualizations help your creative juices flow. We give you high resolution charts, seeing your order fill overlayed on a price chart for your stock.